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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6485801399

Certificate GIA 6485801399

Diamond specifications and retailer prices

From €3,053 EUR
As of November 1, 2026
Save €5,691 EUR (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,744 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6485801399. Listed at 20 retailers as of November 1, 2026, with prices from €3,053 to €8,744, a €5,691 spread on the same certified stone. Diamond Quarter lists it at €8,744. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6485801399
Dimensions6.91 × 6.94 × 4.35 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.91 mm6.94 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6485801399
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,564 EUR|Low: €3,053 EUR|High: €6,484 EUR|Avg: €4,128 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10€3,053 EUR
Retailer 11€3,130 EUR
Retailer 2€3,464 EUR
Retailer 3€3,505 EUR
Retailer 1€3,564 EUR
Retailer 4€3,639 EUR
Retailer 12€3,831 EUR
Retailer 8€3,861 EUR
Retailer 5€4,043 EUR
Retailer 6€4,107 EUR
Retailer 13€4,558 EUR
Retailer 7€5,594 EUR
Retailer 9€6,440 EUR

37 data points across 13 retailers

20 retailers€3,053 EUR to €8,744 EUR

A
Cheapest Retailer
-
€3,053 EUR
A
Retailer 2
-
€3,130 EUR
View
B+
Retailer 3
-
€3,464 EUR
View
B+
Retailer 4
-
€3,505 EUR
View
B+
Retailer 5
-
€3,564 EUR
View
B+
Retailer 6
-
€3,639 EUR
View
Retailer 7
-
€3,831 EUR
View
Price last confirmed 56 days ago
Retailer 8
-
€3,831 EUR
View
Price last confirmed 19 days ago
Retailer 9
-
€3,831 EUR
View
Price last confirmed 21 days ago
Retailer 10
-
€3,831 EUR
View
Price last confirmed 22 days ago
B+
Retailer 11
-
€3,861 EUR
View
B+
Retailer 12
-
€4,043 EUR
View
B+
Retailer 13
-
€4,107 EUR
View
Retailer 14
-
€4,420 EUR
View
Price last confirmed 60 days ago
Retailer 15
-
€4,420 EUR
View
Price last confirmed 19 days ago
B
Retailer 16
-
€5,594 EUR
View
Retailer 17
-
€6,440 EUR
View
Price last confirmed 8 days ago
Retailer 18
-
€6,674 EUR
View
Price last confirmed 57 days ago
Retailer 19
-
€6,674 EUR
View
Price last confirmed 20 days ago
Most Expensive
B
Diamond Quarter
1.3SI2H649971CEN · Nov 5
€8,744 EUR
£7,687 GBP
View
19 more retailers have this diamond
Prices start from €3,053 EURSave up to €5,691 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Round
€3,053 EUR